/*footer*/
html{
	height: 100%;
	font-size: 25.641vw;
}
body{
	height: 100%;
	font-size:.16rem;
	overflow: scroll;
}
footer{
	display: flex;
	justify-content: space-between;
	align-items: center;
	box-sizing: border-box;
	width: 100%;
	height: 0.48rem;
	position: fixed;
	left: 0;
	bottom: 0;
	background: white;
	z-index: 0;
}
footer a{
	display: inline-block;
	flex: 1;
}
footer dl{
	display:flex;
	flex-direction: column;
	justify-content: space-between;
	align-items:center;
}
footer dl dt img{
	width: .3rem;
	height: .3rem;
}
footer dl dt img:nth-child(2){
	display: none;
}
footer dd{
	font-size: .10rem;
	color: #aaa;
}
footer .active dt img:nth-child(1){
	display: none;
}
footer .active dt img:nth-child(2){
	display: inline-block;
}
footer .active dd{
	color:#222;
}